Figure 2. A simple sine wave with a period of 360° and an amplitude of 1. In single phase power the x-intercepts are 180° from each other. A full period is 360°. A single phase motor has a crest approximately every 16.5 milliseconds giving the motors a tendency to vibrate more, which may contribute to a shortened bearing life.
Gorman-Rupp SF Series® Submersible Solids-handling Pump
Utah Lake Cascade Pump
Custom fabrication to a large part
Nickerson Field Crew
Submersible Turbine Pumps
Super T Series® Engine Driven
Impeller wear ring
CNC machine, where computers are used to control the movement and operation of the mills, lathes, and other cutting tools.
Frame-mount Centrifugal Pumps
380 Series Vertical Inline Pump with VFD
Parley’s Water Treatment Plant. Photo credit SLCdocs.com
Computer Numerical Control Machine (CNC) at Nickerson
Horizontal Lathe
Schlumberger Pump Assembly
Custom shapes cut from raw materials.
Machinist at Nickerson Company running a state-of-the-art CNC machine.
Figure 3. Three phase power has three identical sine waves overlapping at an offset of 2π/3 radians or 120°. When one phase reaches an x-intercept or node the next phase is only 30° and approximately 5.6 milliseconds from reaching its crest.
